W32.Welchia.gen

Risk Level 1: Very Low

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Discovered:: March 15, 2004
Updated:: February 13, 2007 12:15:19 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows NT, Windows Server 2003, Windows XP

W32.Welchia.gen is a generic detection for the W32.Welchia.Worm family of worms. The Welchia family is a family of network-aware worms that exploit Microsoft Windows vulnerabilities to infect new computers.

Antivirus Protection Dates

Initial Rapid Release version March 16, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 16, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 17, 2004

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Frederic Perriot

Technical Details

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Internet Security Threat Report, Volume 16